And he may take a vow not to speak for a month, or a year! And after about a month, you don't only stop talking, but you stop thinking in words!

And that's a very curious experience when that happens, because all the senses take on a tremendous intensity. You see things you've never seen before, because you stop codifying and classifying the world by thinking. Sunsets appear incredibly more vivid, flowers are more enchanting, the whole world is coming alive.